component
CLCQ82C55AZ
Public Made by Adomby adom
CHIPLON Interface - Specialized, QFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.1
77f3d74
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{
"schema_version": 1,
"type": "component",
"slug": "clcq82c55az",
"title": "CLCQ82C55AZ",
"brief": "CHIPLON Interface - Specialized, QFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.1",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"interface",
"clcq82c55az",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CLCQ82C55AZ",
"manufacturer": "CHIPLON",
"package": "QFP-44(10x10)",
"pin_count": 44,
"category": "Interface",
"subcategory": "Interface - Specialized",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/33c3d1dbd9c3567bd9a98be9e3eaa5c3.pdf",
"parts": {
"symbol": "clcq82c55az.kicad_sym",
"footprint": "clcq82c55az.kicad_mod",
"model_3d": "clcq82c55az-hero.glb",
"model_3d_plain": "clcq82c55az-etched.glb",
"model_3d_step": "clcq82c55az-etched.step",
"model_3d_step_plain": "clcq82c55az.step",
"lbr": "clcq82c55az.lbr"
},
"distributor_links": {
"lcsc": "C7433371"
},
"distributor_check": {
"checked_at": "2026-11-05T18:45:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "~{CS}",
"type": "input",
"description": "Active-low chip select that enables the 82C55A onto the data bus for CPU communication."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground; a 0.1µF decoupling capacitor between VCC and GND is recommended."
},
{
"number": "3",
"name": "A1",
"type": "input",
"description": "Address input that together with RD and WR selects one of the three ports or the control word register."
},
{
"number": "4",
"name": "A0",
"type": "input",
"description": "Address input that together with RD and WR selects one of the three ports or the control word register."
},
{
"number": "5",
"name": "PC7",
"type": "bidirectional",
"description": "Port C bit 7, 8-bit-port input/output line with bus-hold circuit."
},
{
"number": "6",
"name": "PC6",
"type": "bidirectional",
"description": "Port C bit 6, input/output line with bus-hold circuit."
},
{
"number": "7",
"name": "PC5",
"type": "bidirectional",
"description": "Port C bit 5, input/output line with bus-hold circuit."
},
{
"number": "8",
"name": "PC4",
"type": "bidirectional",
"description": "Port C bit 4, input/output line with bus-hold circuit."
},
{
"number": "9",
"name": "PC0",
"type": "bidirectional",
"description": "Port C bit 0, input/output line with bus-hold circuit."
},
{
"number": "10",
"name": "PC1",
"type": "bidirectional",
"description": "Port C bit 1, input/output line with bus-hold circuit."
},
{
"number": "11",
"name": "PC2",
"type": "bidirectional",
"description": "Port C bit 2, input/output line with bus-hold circuit."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "13",
"name": "PC3",
"type": "bidirectional",
"description": "Port C bit 3, input/output line with bus-hold circuit."
},
{
"number": "14",
"name": "PB0",
"type": "bidirectional",
"description": "Port B bit 0, input/output line with bus-hold high circuit."
},
{
"number": "15",
"name": "PB1",
"type": "bidirectional",
"description": "Port B bit 1, input/output line with bus-hold high circuit."
},
{
"number": "16",
"name": "PB2",
"type": "bidirectional",
"description": "Port B bit 2, input/output line with bus-hold high circuit."
},
{
"number": "17",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "18",
"name": "PB3",
"type": "bidirectional",
"description": "Port B bit 3, input/output line with bus-hold high circuit."
},
{
"number": "19",
"name": "PB4",
"type": "bidirectional",
"description": "Port B bit 4, input/output line with bus-hold high circuit."
},
{
"number": "20",
"name": "PB5",
"type": "bidirectional",
"description": "Port B bit 5, input/output line with bus-hold high circuit."
},
{
"number": "21",
"name": "PB6",
"type": "bidirectional",
"description": "Port B bit 6, input/output line with bus-hold high circuit."
},
{
"number": "22",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "23",
"name": "PB7",
"type": "bidirectional",
"description": "Port B bit 7, input/output line with bus-hold high circuit."
},
{
"number": "24",
"name": "VCC",
"type": "power_in",
"description": "+5V power supply pin; a 0.1µF decoupling capacitor to GND is recommended."
},
{
"number": "25",
"name": "D7",
"type": "bidirectional",
"description": "Data bus bit 7, bidirectional three-state pin connected to the system data bus."
},
{
"number": "26",
"name": "D6",
"type": "bidirectional",
"description": "Data bus bit 6, bidirectional three-state pin connected to the system data bus."
},
{
"number": "27",
"name": "D5",
"type": "bidirectional",
"description": "Data bus bit 5, bidirectional three-state pin connected to the system data bus."
},
{
"number": "28",
"name": "D4",
"type": "bidirectional",
"description": "Data bus bit 4, bidirectional three-state pin connected to the system data bus."
},
{
"number": "29",
"name": "D3",
"type": "bidirectional",
"description": "Data bus bit 3, bidirectional three-state pin connected to the system data bus."
},
{
"number": "30",
"name": "D2",
"type": "bidirectional",
"description": "Data bus bit 2, bidirectional three-state pin connected to the system data bus."
},
{
"number": "31",
"name": "D1",
"type": "bidirectional",
"description": "Data bus bit 1, bidirectional three-state pin connected to the system data bus."
},
{
"number": "32",
"name": "D0",
"type": "bidirectional",
"description": "Data bus bit 0, bidirectional three-state pin connected to the system data bus."
},
{
"number": "33",
"name": "RESET",
"type": "input",
"description": "A high level clears the control register and sets all ports (A, B, C) to input mode with bus-hold circuits on."
},
{
"number": "34",
"name": "~{WR}",
"type": "input",
"description": "Active-low write control signal used by the CPU to load control words and data into the 82C55A."
},
{
"number": "35",
"name": "PA7",
"type": "bidirectional",
"description": "Port A bit 7, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "36",
"name": "PA6",
"type": "bidirectional",
"description": "Port A bit 6, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "37",
"name": "PA5",
"type": "bidirectional",
"description": "Port A bit 5, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "38",
"name": "PA4",
"type": "bidirectional",
"description": "Port A bit 4, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "39",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "40",
"name": "PA3",
"type": "bidirectional",
"description": "Port A bit 3, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "41",
"name": "PA2",
"type": "bidirectional",
"description": "Port A bit 2, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "42",
"name": "PA1",
"type": "bidirectional",
"description": "Port A bit 1, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "43",
"name": "PA0",
"type": "bidirectional",
"description": "Port A bit 0, input/output line with bus-hold high and bus-hold low circuits."
},
{
"number": "44",
"name": "~{RD}",
"type": "input",
"description": "Active-low read control signal used by the CPU to read status information or data via the data bus."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin assignments read from the MQFP top-view drawing on page 2 (pin 1 marked by dot at CS, counter-cl",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 30,
"cost_usd": 0.5223,
"at": "2026-11-05T18:45:37"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/33c3d1dbd9c3567bd9a98be9e3eaa5c3.pdf",
"pages": 30,
"sha256": "73d5263c850eca47",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 44,
"described": 44,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "clcq82c55az-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "88681e4163ca4004fcff772cb4489ef1df1b64bd7c5338b7940a1c1dcbbdf13a",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "CHIPLON",
"Package": "QFP-44(10x10)",
"Category": "Interface",
"Pins": "44"
},
"appearance": {
"contacts": {
"quote": "不得用作第一针的标识标记。 2.当使用浸锡或镀锡铅皮时，应在最终引线表面的质心",
"page": 27,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "73d5263c850eca476086569ef9d9a2714767f1e811c529a8c51f24e0c00d6a7a"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "73d5263c850eca476086569ef9d9a2714767f1e811c529a8c51f24e0c00d6a7a",
"rows": [
{
"name": "逻辑“1”输入电压 (VIH)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 18,
"source": "datasheet"
},
{
"name": "逻辑“0”输入电压 (VIL)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 18,
"source": "datasheet"
},
{
"name": "逻辑“1”输出电压 (VOH)",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": null,
"max": null,
"conditions": "IOH = –2.5mA",
"source_page": 18,
"source": "datasheet"
},
{
"name": "逻辑“0”输出电压 (VOL)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "IOL = +2.5mA",
"source_page": 18,
"source": "datasheet"
},
{
"name": "输入漏电流 (II)",
"symbol": "II",
"kind": "electrical",
"unit": "μA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VIN=VCC/GND, A1, A0, RESET, WR",
"source_page": 18,
"source": "datasheet"
},
{
"name": "I/O引脚漏电流 (IO)",
"symbol": "IO",
"kind": "electrical",
"unit": "μA",
"min": -10,
"typ": null,
"max": 10,
"conditions": "VO = VCC/GND, D0~D7",
"source_page": 18,
"source": "datasheet"
},
{
"name": "总线保持高电流 (IBHH)",
"symbol": "IBHH",
"kind": "electrical",
"unit": "μA",
"min": -50,
"typ": null,
"max": -450,
"conditions": "VO = 3.0V. 端口A,B,C; TA = –55℃",
"source_page": 18,
"source": "datasheet"
},
{
"name": "总线保持高电流 (IBHH)",
"symbol": "IBHH",
"kind": "electrical",
"unit": "μA",
"min": -50,
"typ": null,
"max": -400,
"conditions": "VO = 3.0V. 端口A,B,C; TA = +128℃",
"source_page": 18,
"source": "datasheet"
},
{
"name": "总线保持低电流 (IBHL)",
"symbol": "IBHL",
"kind": "electrical",
"unit": "μA",
"min": 50,
"typ": null,
"max": 450,
"conditions": "VO = 1.0V, 只有端口A; TA = –55℃",
"source_page": 18,
"source": "datasheet"
},
{
"name": "总线保持低电流 (IBHL)",
"symbol": "IBHL",
"kind": "electrical",
"unit": "μA",
"min": 50,
"typ": null,
"max": 400,
"conditions": "VO = 1.0V, 只有端口A; TA = +128℃",
"source_page": 18,
"source": "datasheet"
},
{
"name": "Darlington驱动电流 (IDAR)",
"symbol": "IDAR",
"kind": "electrical",
"unit": "mA",
"min": -2.5,
"typ": null,
"max": null,
"conditions": "端口A，B，C。测试条件3",
"source_page": 18,
"source": "datasheet"
},
{
"name": "待机电源电流 (ICCSB)",
"symbol": "ICCSB",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCC = 5.5V，VIN = VCC或GND。输出打开",
"source_page": 18,
"source": "datasheet"
},
{
"name": "工作电源电流 (ICCOP)",
"symbol": "ICCOP",
"kind": "electrical",
"unit": "mA/MHz",
"min": null,
"typ": null,
"max": 1,
"conditions": "TA = + 25°C，VCC = 5.0V，典型值（见注3）",
"source_page": 18,
"source": "datasheet"
},
{
"name": "电源电压 (绝对最大额定值)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 8,
"conditions": "TA = + 25°C",
"source_page": 18,
"source": "datasheet"
},
{
"name": "电压范围 (运行条件)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 4.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 18,
"source": "datasheet"
},
{
"name": "工作温度范围 (CLCX82C55A, 商用0~70℃)",
"symbol": "",
"kind": "recommended_operating",
"unit": "℃",
"min": 0,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 18,
"source": "datasheet"
},
{
"name": "最高储存温度范围",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 18,
"source": "datasheet"
},
{
"name": "最高引线温度（焊接10s）（仅PLCC和MQFP引线）",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 300,
"conditions": "焊接10s",
"source_page": 18,
"source": "datasheet"
},
{
"name": "读取：RD之前的地址稳定 (tAR)",
"symbol": "tAR",
"kind": "timing",
"unit": "ns",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 19,
"source": "datasheet"
},
{
"name": "读取：RD之后的地址稳定 (tRA)",
"symbol": "tRA",
"kind": "timing",
"unit": "ns",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 19,
"source": "datasheet"
},
{
"name": "RD脉冲宽度 (tRR)",
"symbol": "tRR",
"kind": "timing",
"unit": "ns",
"min": 150,
"typ": null,
"max": null,
"conditions": "",
"source_page": 19,
"source": "datasheet"
},
{
"name": "RD之后来自的有效数据 (tRD)",
"symbol": "tRD",
"kind": "timing",
"unit": "ns",
"min": null,
"typ": null,
"max": 120,
"conditions": "测试条件 1",
"source_page": 19,
"source": "datasheet"
},
{
"name": "RD之后的数据浮动 (tDF)",
"symbol": "tDF",
"kind": "timing",
"unit": "ns",
"min": 10,
"typ": null,
"max": 75,
"conditions": "测试条件 2",
"source_page": 19,
"source": "datasheet"
},
{
"name": "RD和WR之间的时间 (tRV)",
"symbol": "tRV",
"kind": "timing",
"unit": "ns",
"min": 300,
"typ": null,
"max": null,
"conditions": "",
"source_page": 19,
"source": "datasheet"
},
{
"name": "WR之前地址稳定 (tAW)",
"symbol": "tAW",
"kind": "timing",
"unit": "ns",
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